The BBM software suite allows users to instant message each other, personalise their account with pictures, avatars and status updates and share messages between up to 50 people using the BBM Groups feature.

BBM will also provides free voice calls between BBM contacts on Windows Phone, Nokia X, iPhone, Android and BlackBerry anywhere in the world using phone data or WiFi connections.

BBM will be available as a free download from the Windows Phone Store this summer. BBM for Nokia X will be available from the Nokia Store when the Nokia X platform launches.